N678

Product Description

BÖHLER N678 is a hardenable corrosion resistant Cr-Mo steel grade with addition of Vanadium for hardened tools and parts with good corrosion resistance in sea water and chloric medias.

Property Features

Good hardenability, hardness range 57 – 59 HRC, good abrasive wear – and cutting edge resistance.

Technical Specifications

Material Numbers


1.4153


Chemical Composition

0.79 0.40 0.40 13.50 0.45 1.90

Chemical composition (average %)

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